OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [gnu/] [java/] [net/] [loader/] [URLLoader.java] - Blame information for rev 769

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 769 jeremybenn
/* URLLoader.java --  base helper class for URLClassLoader
2
   Copyright (C) 2006 Free Software Foundation, Inc.
3
 
4
This file is part of GNU Classpath.
5
 
6
GNU Classpath is free software; you can redistribute it and/or modify
7
it under the terms of the GNU General Public License as published by
8
the Free Software Foundation; either version 2, or (at your option)
9
any later version.
10
 
11
GNU Classpath is distributed in the hope that it will be useful, but
12
WITHOUT ANY WARRANTY; without even the implied warranty of
13
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14
General Public License for more details.
15
 
16
You should have received a copy of the GNU General Public License
17
along with GNU Classpath; see the file COPYING.  If not, write to the
18
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19
02110-1301 USA.
20
 
21
Linking this library statically or dynamically with other modules is
22
making a combined work based on this library.  Thus, the terms and
23
conditions of the GNU General Public License cover the whole
24
combination.
25
 
26
As a special exception, the copyright holders of this library give you
27
permission to link this library with independent modules to produce an
28
executable, regardless of the license terms of these independent
29
modules, and to copy and distribute the resulting executable under
30
terms of your choice, provided that you also meet, for each linked
31
independent module, the terms and conditions of the license of that
32
module.  An independent module is a module which is not derived from
33
or based on this library.  If you modify this library, you may extend
34
this exception to your version of the library, but you are not
35
obligated to do so.  If you do not wish to do so, delete this
36
exception statement from your version. */
37
 
38
 
39
package gnu.java.net.loader;
40
 
41
import java.net.URL;
42
import java.net.URLClassLoader;
43
import java.net.URLStreamHandlerFactory;
44
import java.security.CodeSource;
45
import java.security.cert.Certificate;
46
import java.util.ArrayList;
47
import java.util.jar.Manifest;
48
 
49
/**
50
 * A <code>URLLoader</code> contains all logic to load resources from a
51
 * given base <code>URL</code>.
52
 */
53
public abstract class URLLoader
54
{
55
  /**
56
   * Our classloader to get info from if needed.
57
   */
58
  final URLClassLoader classloader;
59
 
60
  /**
61
   * The base URL from which all resources are loaded.
62
   */
63
  final URL baseURL;
64
 
65
  /**
66
   * The stream handler factory.
67
   */
68
  final URLStreamHandlerFactory factory;
69
 
70
  /**
71
   * The source for stream handlers.
72
   */
73
  final URLStreamHandlerCache cache;
74
 
75
  /**
76
   * A <code>CodeSource</code> without any associated certificates.
77
   * It is common for classes to not have certificates associated
78
   * with them.  If they come from the same <code>URLLoader</code>
79
   * then it is safe to share the associated <code>CodeSource</code>
80
   * between them since <code>CodeSource</code> is immutable.
81
   */
82
  final CodeSource noCertCodeSource;
83
 
84
  public URLLoader(URLClassLoader classloader, URLStreamHandlerCache cache,
85
                   URLStreamHandlerFactory factory,
86
                   URL baseURL)
87
  {
88
    this(classloader, cache, factory, baseURL, baseURL);
89
  }
90
 
91
  public URLLoader(URLClassLoader classloader, URLStreamHandlerCache cache,
92
                   URLStreamHandlerFactory factory,
93
                   URL baseURL, URL overrideURL)
94
  {
95
    this.classloader = classloader;
96
    this.baseURL = baseURL;
97
    this.factory = factory;
98
    this.cache = cache;
99
    this.noCertCodeSource = new CodeSource(overrideURL, (Certificate[]) null);
100
  }
101
 
102
  /**
103
   * Return the base URL of this loader.
104
   */
105
  public final URL getBaseURL()
106
  {
107
    return baseURL;
108
  }
109
 
110
  /**
111
   * Returns a <code>Class</code> loaded by this
112
   * <code>URLLoader</code>, or <code>null</code> when this loader
113
   * either can't load the class or doesn't know how to load classes
114
   * at all.  Most subclasses do not need to override this; it is only
115
   * useful in situations where the subclass has a more direct way of
116
   * making <code>Class</code> objects.
117
   */
118
  public Class getClass(String className)
119
  {
120
    return null;
121
  }
122
 
123
  /**
124
   * Returns a <code>Resource</code> loaded by this
125
   * <code>URLLoader</code>, or <code>null</code> when no
126
   * <code>Resource</code> with the given name exists.
127
   */
128
  public abstract Resource getResource(String s);
129
 
130
  /**
131
   * Returns the <code>Manifest</code> associated with the
132
   * <code>Resource</code>s loaded by this <code>URLLoader</code> or
133
   * <code>null</code> there is no such <code>Manifest</code>.
134
   */
135
  public Manifest getManifest()
136
  {
137
    return null;
138
  }
139
 
140
  /**
141
   * Return a list of new URLLoader objects representing any
142
   * class path entries added by this container.
143
   */
144
  public ArrayList<URLLoader> getClassPath()
145
  {
146
    return null;
147
  }
148
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.